Laserfiche WebLink
Anchor Fastening <br />CITY OF SANTA ANA <br />Planning and Building Agency <br />echnical Guide, Edition 22 <br />Table 10 - Load adjustment factors for 1/2-in. diameter Hilti KH-EZ and KH-EZ CRC in uncracked cofilcrete' 2 Approved <br />Edge distance in shea, <br />FOR <br />ERMIT ISSUA <br />II to <br />ind away <br />Spacing factor <br />Edge distance <br />Spacing factor <br />Conc. thickness factor <br />1/2-in. KH-EZ <br />in tension <br />factor in tension <br />in shear' <br />1 toward edge <br />fro <br />edge <br />in shear' <br />uncracked concrete <br />fAN <br />fAN <br />fAv <br />fW <br />f RV <br />f a <br />Embedment h�o in. <br />2-1/4 <br />3 <br />4-1/4 <br />2-1/4 <br />3 <br />4-1/4 <br />2-1/4 <br />3 <br />4-1/4 <br />2-1/4 <br />3 <br />4-1/4 <br />2-1/4 <br />4 <br />-1/4 <br />3 <br />4-1/4 <br />m (mm) <br />(57) <br />(76) <br />(108) <br />(57) <br />(76) <br />(108) <br />(57) <br />(76) <br />(108) <br />(57) <br />(76) <br />(108) <br />(57) <br />- <br />E(108) <br />(57) <br />(76) <br />(108) <br />1-3/4 (44) <br />n/a <br />n/a <br />n/a <br />0.68 <br />0.57 <br />0.51 <br />n/a <br />n/a <br />n/a <br />0.40 <br />0.25 <br />0.07 <br />0.68 <br />t50" <br />0.15 <br />n/a <br />n/a <br />n/a <br />E <br />2 (51) <br />n/a <br />n/a <br />n/a <br />0.75 <br />0.62 <br />0.54 <br />n/a <br />n/a <br />n/a <br />0.48 <br />0.31 <br />0.09 <br />0.75 <br />E <br />2-1/2 (64) <br />n/a <br />n/a <br />n/a <br />0.91 <br />0.71 <br />0.60 <br />n/a <br />n/a <br />n/a <br />0.68 <br />0.43 <br />0.13 <br />0.91 <br />0.71 <br />0.25 <br />n/a <br />n/a <br />n/a <br />3 (76) <br />0.83 <br />0.73 <br />0.66 <br />1.00 <br />0.81 <br />0.66 <br />0.65 <br />0.61 <br />0.55 <br />0.89 <br />0.56 <br />0.17 <br />1.00 <br />0.81 <br />0.33 <br />n/a <br />n/a <br />n/a <br />3-1/2 (89) <br />0.88 <br />0.77 <br />0.68 <br />0.93 <br />0.73 <br />0.68 <br />0.63 <br />0.56 <br />1.00 <br />0.71 <br />0.21 <br />0.93 <br />0.42 <br />1 n/a <br />n/a <br />n/a <br />m <br />4 (102) <br />0.94 <br />0.81 <br />0.71 <br />1.00 <br />0.80 <br />0.71 <br />0.65 <br />0.57 <br />0.87 <br />0.26 <br />1.00 <br />0.52 <br />n/a <br />n/a <br />n/a <br />Y <br />4-1/2 (114) <br />1 0.99 <br />0.85 <br />0.73 <br />1 <br />0.87 <br />0.73 <br />0.67 <br />0.58 <br />1.00 <br />0.31 <br />0.62 <br />0.96 <br />n/a <br />n/a <br />L <br />4-3/4 (121) <br />1.00 <br />0.87 <br />0.75 <br />0.91 <br />0.74 <br />0.68 <br />0.58 <br />0.33 <br />0.67 <br />0.99 <br />0.85 <br />n/a <br />m <br />5 (127) <br />0.89 <br />0.76 <br />0.95 <br />0.76 <br />0.69 <br />0.58 <br />0.36 <br />0.72 <br />1.00 <br />0.87 <br />n/a <br />2 <br />6 (152) <br />0.96 <br />0.81 <br />1.00 <br />0.81 <br />0.73 <br />0.60 <br />0.47 <br />0.95 <br />0.95 <br />n/a <br />0 <br />6-3/4 (171) <br />1.00 <br />0.85 <br />0.85 <br />0.76 <br />0.61 <br />1 <br />1 0.57 <br />1 <br />1.00 <br />1.00 <br />0.68 <br />m <br />7 (178) <br />0.86 <br />0.86 <br />0.77 <br />0.62 <br />0.60 <br />1 <br />1 <br />1 0.69 <br />y <br />8 (203) <br />0.91 <br />0.91 <br />0.80 <br />0.64 <br />0.73 <br />0.73 <br />m <br />9 (229) <br />0.97 <br />0.96 <br />0.84 <br />0.65 <br />0.87 <br />0.78 <br />Z5 <br />10 (254) <br />1.00 <br />1.00 <br />0.88 <br />0.67 <br />1.00 <br />0.82 <br />11 (279) <br />0.92 <br />0.69 <br />0.86 <br />12 (305) <br />0.95 <br />0.70 <br />0.90 <br />m <br />14 (356) <br />1.00 <br />0.74 <br />0.97 <br />m <br />16 (406) <br />0.77 <br />1.00 <br />18 (457) <br />0.80 <br />u°i <br />20 (508) <br />0.84 <br />> 24 (610) <br />0.91 <br />Table 11 - Load adjustment factors for 1/2-in. diameter Hilti KH-EZ and KH-EZ CRC in cracked concrete' 2 <br />Edge distance in shear <br />II to and away <br />Spacing factor <br />Edge distance <br />Spacing factor <br />Conc. thickness factor <br />1/2-in. KH-EZ <br />in tension <br />factor in tension <br />in shear' <br />1 toward edge <br />from edge <br />in shear' <br />cracked concrete <br />fAN <br />fRN <br />fnv <br />f, <br />fR <br />fRv <br />Embedment hiin. <br />2-1/4 <br />3 <br />4-1/4 <br />2-1/4 <br />3 <br />4-1/4 <br />2-1/4 <br />3 <br />4-1/4 <br />2-1/4 <br />3 <br />4-1/4 <br />2-1/4 <br />3 <br />4-1/4 <br />2-1/4 <br />3 <br />4-1/4 <br />p m (mm) <br />(57) <br />(76) <br />(108) <br />(57) <br />(76) <br />(108) <br />(57) <br />(76) <br />(108) <br />(57) <br />(76) <br />(108) <br />(57) <br />(76) <br />(108) <br />(57) <br />(76) <br />(108) <br />1-3/4 (44) <br />n/a <br />n/a <br />n/a <br />0.82 <br />0.66 <br />0.55 <br />n/a <br />n/a <br />n/a <br />0.45 <br />0.28 <br />0.08 <br />0.82 <br />0.57 <br />0.17 <br />n/a <br />n/a <br />n/a <br />E <br />2 (51) <br />n/a <br />n/a <br />n/a <br />0.90 <br />0.72 <br />0.58 <br />n/a <br />n/a <br />n/a <br />0.55 <br />0.35 <br />0.10 <br />0.90 <br />0.70 <br />0.21 <br />n/a <br />n/a <br />n/a <br />E <br />2-1/2 (64) <br />n/a <br />n/a <br />n/a <br />1.00 <br />0.83 <br />0.65 <br />n/a <br />n/a <br />n/a <br />0.77 <br />0.49 <br />0.14 <br />1.00 <br />0.83 <br />0.29 <br />n/a <br />n/a <br />n/a <br />3 (76) <br />0.83 <br />0.73 <br />0.66 <br />1.00 <br />0.94 <br />0.72 <br />0.67 <br />0.62 <br />0.56 <br />1.00 <br />0.64 <br />0.19 <br />1.00 <br />0.94 <br />0.38 <br />n/a <br />n/a <br />n/a <br />g <br />3-1/2 (89) <br />0.88 <br />0.77 <br />0.68 <br />1.00 <br />0.79 <br />0.70 <br />0.64 <br />0.56 <br />0-80 <br />0.24 <br />1,00 <br />0.48 <br />n/a <br />n/a <br />n/a <br />4 (102) <br />0.94 <br />0.81 <br />0.71 <br />1.00 <br />0.87 <br />0.72 <br />0.66 <br />0.57 <br />0.98 <br />0.29 <br />1.00 <br />0.59 <br />n/a <br />n/a <br />n/a <br />Y <br />4-1/2 (114) <br />1 0.99 <br />0.85 <br />1 0.73 <br />0.95 <br />0.75 <br />0.69 <br />0.58 <br />1.00 <br />0.35 <br />0.70 <br />1.00 <br />n/a <br />n/a <br />4-3/4 (121) <br />1.00 <br />0.87 <br />0.75 <br />0.99 <br />1 0.77 <br />0.70 <br />0.59 <br />1 0.38 <br />0.76 <br />1 0.88 <br />1 n/a <br />5 (127) <br />0.89 <br />0.76 <br />1.00 <br />0.78 <br />0.71 <br />0.59 <br />0.41 <br />0.82 <br />0.91 <br />n/a <br />6 (152) <br />0.96 <br />0.81 <br />1.00 <br />0.84 <br />0.75 <br />0.61 <br />0.54 <br />1.00 <br />0.99 <br />n/a <br />0 <br />6-3/4 (171) <br />1.00 <br />0.85 <br />0.88 <br />0.78 <br />0.62 <br />0.64 <br />1.00 <br />0.70 <br />:5,- <br />7 (178) <br />0.86 <br />0.89 <br />0.79 <br />0.63 <br />0.68 <br />0.72 <br />8 (203) <br />0.91 <br />0.95 <br />0.83 <br />0.65 <br />0.83 <br />0.77 <br />9 (229) <br />0.97 <br />1.00 <br />0.87 <br />0.67 <br />0.99 <br />0.81 <br />tca <br />o <br />10 (254) <br />1.00 <br />1 <br />1 0.91 <br />0.68 <br />1 <br />1 1.00 <br />1 <br />0.86 <br />11 (279) <br />0.95 <br />0.70 <br />0.90 <br />12 (305) <br />0.99 <br />0.72 <br />0.94 <br />v <br />14 (356) <br />1.00 <br />0.76 <br />1.00 <br />m <br />16 (406) <br />0.79 <br />m <br />18 (457) <br />0.83 <br />vai <br />20 (5 8) <br />0.87 <br />> 24 (610) <br />0.94 <br />1 Linear interpolation not permitted. <br />2 When combining multiple load adjustment factors (e.g. for a 4 anchor pattern in a corner with thin concrete member) the design can become very conservative. To optimize the design, <br />use Hilti PROFIS Engineering software or perform anchor calculation using design equations from ACI 318 Chapter 17. <br />3 Spacing factor reduction in shear, fAN, assumes an influence of a nearby edge. If no edge exists, then f Av = fAN. <br />4 Concrete thickness reduction factor in shear, f., assumes an influence of a nearby edge. If no edge exists, then f. = 1.0. <br />0 If a reduction factor value is in a shaded cell, this indicates that this specific edge distance may not be permitted with a certain spacing (or vice versa). <br />Check table 5 and figure 2 of this section to calculate permissable edge distance, spacing and concrete thickness combinations. <br />NCE <br />Anchor Fastening Technical Guide Edition 22 13.0 ANCHORING SYSTEMS 13.3.6 KWIK HUS-EZ SCREW ANCHOR 337 <br />Hilti, Inc. 1-800-879-8000 1 en espanol 1-800-879-5000 1 www.hilti.com I Hilti (Canada) Corporation I www.hilti.ca 1 1-800-363-4458 <br />